*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  width: 100%;
}
img, svg, video { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; background: transparent; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

:root {
  --paper:        #FAFAF7;
  --paper-2:      #F2F0EA;
  --ink:          #161614;
  --ink-2:        #2A2A26;
  --ink-soft:     #524F47;
  --muted:        #8C887E;
  --hairline:     #DCD8CD;
  --hairline-2:   #C8C2B3;

  --accent:        #1E3FD4;
  --accent-deep:   #1A35B0;
  --accent-tint:   rgba(30, 63, 212, 0.07);
  --accent-glow:   rgba(30, 63, 212, 0.16);

  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px;
  --s-9: 96px; --s-10: 128px; --s-11: 160px;

  --max-w:  1240px;
  --max-w-narrow: 920px;
  --gutter: clamp(16px, 4vw, 56px);
  --nav-h:  74px;

  --r-sm: 4px;  --r-md: 8px;  --r-lg: 14px;  --r-pill: 999px;

  --ease:    cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast:  180ms;
  --t-base:  300ms;
  --t-slow:  500ms;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100dvh;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: var(--max-w-narrow); }

.eyebrow {
  display: inline-block;
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--s-5);
}
.display {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(38px, 5.4vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--ink);
}
.display em {
  font-style: normal;
  font-weight: 500;
  color: var(--ink-soft);
}
.display .dim {
  font-style: normal;
  font-weight: 400;
  color: var(--muted);
  display: block;
}
.lede {
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 56ch;
}

.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  background: var(--ink);
  color: var(--paper);
  font-size: 14px; font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), box-shadow var(--t-base) var(--ease);
}
.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 12px 32px var(--accent-glow);
}
.btn-primary .arr { transition: transform var(--t-base) var(--ease); }
.btn-primary:hover .arr { transform: translateX(3px); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  background: transparent;
  color: var(--ink);
  font-size: 14px; font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid var(--hairline-2);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.btn-secondary:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: transparent;
  border-bottom: 1px solid transparent;

  --hide-duration: 400ms;
  --show-duration: 250ms;
  transition:
    background var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease),
    backdrop-filter var(--t-base) var(--ease),
    transform var(--show-duration) var(--ease),
    opacity var(--show-duration) var(--ease),
    filter var(--show-duration) var(--ease);
  will-change: transform, opacity;
}
.nav.scrolled {
  background: rgba(250, 250, 247, 0.85);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom-color: var(--hairline);
}

.nav.nav--on-hero:not(.scrolled):not(.menu-open) .nav__logo-svg,
.nav.nav--on-hero:not(.scrolled):not(.menu-open) .nav__name,
.nav.nav--on-hero:not(.scrolled):not(.menu-open) .nav__toggle-label {
  color: var(--nav-fg-on-hero, #ffffff);
}
.nav.nav--on-hero:not(.scrolled):not(.menu-open) .nav__mark {
  background: var(--nav-fg-on-hero, #ffffff);
  color: var(--ink);
}
.nav.nav--on-hero:not(.scrolled):not(.menu-open) .nav__toggle-lines span {
  background: var(--nav-fg-on-hero, #ffffff);
}
.nav.nav--on-hero:not(.scrolled):not(.menu-open) .nav__toggle {
  border-color: var(--nav-border-on-hero, rgba(255,255,255,0.35));
}
.nav.nav--on-hero:not(.scrolled):not(.menu-open) .nav__toggle:hover {
  border-color: var(--nav-border-on-hero-hov, rgba(255,255,255,0.70));
  background:   var(--nav-bg-on-hero-hov,    rgba(255,255,255,0.08));
}

.nav[data-hide-effect="slide"].is-hidden {
  transform: translateY(-100%);
  transition-duration: var(--hide-duration);
}

.nav[data-hide-effect="fade"].is-hidden {
  opacity: 0;
  pointer-events: none;
  transition-duration: var(--hide-duration);
}

.nav[data-hide-effect="blur"].is-hidden {
  opacity: 0;
  filter: blur(8px);
  pointer-events: none;
  transition-duration: var(--hide-duration);
}

.nav.menu-open {
  transform: translateY(0) !important;
  opacity: 1 !important;
  filter: none !important;
  pointer-events: auto !important;
}
.nav .wrap { height: 100%; display: flex; align-items: center; }
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
}

.nav__brand { display: flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }

.nav__logo-svg {
  display: block;
  height: 32px;
  width: auto;
  color: var(--ink);
  transition: color var(--t-fast) var(--ease);
}
.nav__brand:hover .nav__logo-svg { color: var(--accent); }
.nav__logo-img {
  display: block;
  height: 32px;
  width: auto;
  object-fit: contain;
}

.nav__mark {
  width: 28px; height: 28px;
  background: var(--ink);
  color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.02em;
  transition: background var(--t-fast) var(--ease);
}
.nav__brand:hover .nav__mark { background: var(--accent); }
.nav__name {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: var(--s-5);
}
.nav__toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 10px 16px;
  background: transparent;
  border: 1px solid var(--hairline-2);
  border-radius: var(--r-pill);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav__toggle:hover {
  border-color: var(--ink);
  background: var(--paper-2);
}
.nav__toggle-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}
.nav__toggle-lines {
  position: relative;
  width: 18px;
  height: 12px;
}
.nav__toggle-lines span {
  position: absolute;
  left: 0; right: 0;
  height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--t-base) var(--ease), opacity var(--t-fast) var(--ease), top var(--t-base) var(--ease);
}
.nav__toggle-lines span:nth-child(1) { top: 2px; }
.nav__toggle-lines span:nth-child(2) { top: 9px; width: 12px; right: 0; left: auto; }
.nav.menu-open .nav__toggle-lines span:nth-child(1) { top: 5px; transform: rotate(45deg); width: 18px; }
.nav.menu-open .nav__toggle-lines span:nth-child(2) { top: 5px; transform: rotate(-45deg); width: 18px; left: 0; right: auto; }

.nav__links { display: none; }
.nav__cta-inline { display: none; }

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  padding-top: var(--nav-h);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  transition: opacity var(--t-base) var(--ease), visibility 0s linear var(--t-base);
}

body.menu-open {
  position: fixed;
  width: 100%;
  overflow: hidden;
}
.nav.menu-open ~ .menu-overlay,
body.menu-open .menu-overlay {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transition: opacity var(--t-base) var(--ease), visibility 0s linear 0s;
}

.menu-overlay__inner {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--s-7) var(--gutter) var(--s-9);
  gap: var(--s-9);
}

.menu-overlay__nav {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.menu-overlay__nav a {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: var(--ink);
  padding: 6px 0;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), color var(--t-fast) var(--ease);
}
.nav.menu-open ~ .menu-overlay .menu-overlay__nav a,
body.menu-open .menu-overlay .menu-overlay__nav a {
  opacity: 1;
  transform: translateY(0);
}
.nav.menu-open ~ .menu-overlay .menu-overlay__nav a:nth-child(1),
body.menu-open .menu-overlay .menu-overlay__nav a:nth-child(1) { transition-delay: 0.10s, 0.10s, 0s; }
.nav.menu-open ~ .menu-overlay .menu-overlay__nav a:nth-child(2),
body.menu-open .menu-overlay .menu-overlay__nav a:nth-child(2) { transition-delay: 0.15s, 0.15s, 0s; }
.nav.menu-open ~ .menu-overlay .menu-overlay__nav a:nth-child(3),
body.menu-open .menu-overlay .menu-overlay__nav a:nth-child(3) { transition-delay: 0.20s, 0.20s, 0s; }
.nav.menu-open ~ .menu-overlay .menu-overlay__nav a:nth-child(4),
body.menu-open .menu-overlay .menu-overlay__nav a:nth-child(4) { transition-delay: 0.25s, 0.25s, 0s; }
.nav.menu-open ~ .menu-overlay .menu-overlay__nav a:nth-child(5),
body.menu-open .menu-overlay .menu-overlay__nav a:nth-child(5) { transition-delay: 0.30s, 0.30s, 0s; }
.nav.menu-open ~ .menu-overlay .menu-overlay__nav a:nth-child(6),
body.menu-open .menu-overlay .menu-overlay__nav a:nth-child(6) { transition-delay: 0.35s, 0.35s, 0s; }

.menu-overlay__nav a:hover { color: var(--accent); }
.menu-overlay__nav a .num {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.08em;
  width: 32px;
  flex-shrink: 0;
}

.menu-overlay__side {
  display: flex;
  flex-direction: column;
  gap: var(--s-7);
  padding-left: var(--s-7);
  border-left: 1px solid var(--hairline);
}
.menu-overlay__side-block {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease) 0.4s, transform 0.6s var(--ease) 0.4s;
}
.nav.menu-open ~ .menu-overlay .menu-overlay__side-block,
body.menu-open .menu-overlay .menu-overlay__side-block {
  opacity: 1;
  transform: translateY(0);
}
.menu-overlay__label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--s-3);
}
.menu-overlay__contact a {
  display: block;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
  transition: color var(--t-fast) var(--ease);
}
.menu-overlay__contact a:hover { color: var(--accent); }
.menu-overlay__contact span {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.menu-overlay__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  background: var(--ink);
  color: var(--paper);
  font-size: 14px; font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--r-pill);
  transition: background var(--t-fast) var(--ease);
}
.menu-overlay__cta:hover { background: var(--accent); }

body.menu-open { overflow: hidden; }

@media (max-width: 820px) {
  .menu-overlay__inner {
    grid-template-columns: 1fr;
    align-items: start;
    padding-top: var(--s-5);
    gap: var(--s-7);
  }
  .menu-overlay__nav a { font-size: clamp(28px, 8vw, 40px); }
  .menu-overlay__side {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--hairline);
    padding-top: var(--s-5);
  }
  .nav__toggle-label { display: none; }
  .nav__toggle { padding: 10px 12px; }
}

footer {
  background: var(--paper);
  border-top: 1px solid var(--hairline);
  padding-block: var(--s-8) var(--s-6);
}
.foot__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--s-7);
  margin-bottom: var(--s-8);
}
.foot__brand {
  font-weight: 600;
  font-size: clamp(36px, 4.5vw, 56px);
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--ink);
}
.foot__brand em {
  font-style: normal;
  font-weight: 400;
  color: var(--muted);
  display: block;
}
.foot__col-title {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--s-4);
}
.foot__col ul { display: flex; flex-direction: column; gap: 8px; }
.foot__col a {
  font-size: 14px;
  color: var(--ink-soft);
  transition: color var(--t-fast) var(--ease);
}
.foot__col a:hover { color: var(--accent); }

.foot__bottom {
  padding-top: var(--s-5);
  border-top: 1px solid var(--hairline);
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--s-4); flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted);
}
.foot__bottom a {
  color: var(--accent);
  transition: color var(--t-fast) var(--ease);
}
.foot__bottom a:hover { color: var(--ink); }

@media (max-width: 820px) {
  .foot__top { grid-template-columns: 1fr 1fr; gap: var(--s-6); }
}
@media (max-width: 480px) {
  .foot__top { grid-template-columns: 1fr; }
}

.sticky-mobile {
  position: fixed;
  bottom: var(--s-4);
  left: var(--s-4); right: var(--s-4);
  z-index: 90;
  display: none;
  opacity: 0;
  transform: translateY(28px) scale(0.96);
  pointer-events: none;
  will-change: transform, opacity;
  transition:
    opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.sticky-mobile.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
@media (prefers-reduced-motion: reduce) {
  .sticky-mobile { transition: opacity 0.2s linear; transform: none; }
  .sticky-mobile.is-visible { transform: none; }
}
.sticky-mobile a {
  flex: 1;
  width: 100%;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 18px;
  font-size: 14px; font-weight: 500;
  border-radius: var(--r-pill);
  box-shadow: 0 12px 32px rgba(0,0,0,0.18);
  background: var(--ink);
  color: var(--paper);
  transition: background var(--t-fast) var(--ease);
}
.sticky-mobile a:hover { background: var(--accent); }
.sticky-mobile a svg { width: 16px; height: 16px; }

@media (max-width: 720px) {
  .sticky-mobile { display: flex; }
  footer { padding-bottom: 100px; }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease), filter 0.7s var(--ease);
}
[data-reveal].in { opacity: 1; transform: translateY(0); filter: blur(0); }
[data-delay="1"] { transition-delay: 0.08s; }
[data-delay="2"] { transition-delay: 0.16s; }
[data-delay="3"] { transition-delay: 0.24s; }
[data-delay="4"] { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; filter: none; transition: none; }
}

section.sec { padding-block: clamp(80px, 12vw, 160px); position: relative; }
.sec__head { margin-bottom: var(--s-9); max-width: 720px; }
.sec__head--center { text-align: center; margin-inline: auto; }